1 /*

     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  an interface to handle cancel of async requests

    15 *

    16 */

    17 

    18 

    19 /**

    20  * An abstract class which is to be implemented by all observers to support cancel.

    21  */

    22 

    23 #ifndef M_CANCELASYNC_H

    24 #define M_CANCELASYNC_H

    25 

    26 class MCancelAsync

    27 {

    28 	public:

    29    /**

    30 	* To be implemented by all the observers for supporting 

    31 	* cancel operation customised to each of the observer 

    32 	* classes.

    33 	*/

    34 	

    35 	virtual void Cancel()=0;

    36 	

    37 };

    38 

    39 

    40 #endif //M_CANCELASYNC